[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] xen/cpu-policy: Add an IBRS -> AUTO_IBRS dependency
commit 59d0bf62861f5c9b317ccf89f8b5c8b4d19927ad Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> AuthorDate: Wed May 31 16:26:56 2023 +0100 Commit: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CommitDate: Thu Jun 1 10:34:21 2023 +0100 xen/cpu-policy: Add an IBRS -> AUTO_IBRS dependency AUTO_IBRS is an extention over regular (AMD) IBRS, and needs hiding if IBRS is levelled out for any reason. Fixes: defaf651631a ("x86/hvm: Expose Automatic IBRS to guests") Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx> --- xen/tools/gen-cpuid.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/tools/gen-cpuid.py b/xen/tools/gen-cpuid.py index f28ff708a2..973fcc1c64 100755 --- a/xen/tools/gen-cpuid.py +++ b/xen/tools/gen-cpuid.py @@ -319,7 +319,7 @@ def crunch_numbers(state): # as dependent features simplifies Xen's logic, and prevents the guest # from seeing implausible configurations. IBRSB: [STIBP, SSBD, INTEL_PSFD], - IBRS: [AMD_STIBP, AMD_SSBD, PSFD, + IBRS: [AMD_STIBP, AMD_SSBD, PSFD, AUTO_IBRS, IBRS_ALWAYS, IBRS_FAST, IBRS_SAME_MODE], AMD_STIBP: [STIBP_ALWAYS], -- generated by git-patchbot for /home/xen/git/xen.git#master
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